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HIV-1 subtype C is the prevalent subtype in South Africa, with non-C subtypes being sporadically detected. The accessory genes of subtype C have not been well studied in South Africa. In this study the HIV-1 vpr region of ...

Plantaricin 423 is a class IIa bacteriocin produced by Lactobacillus plantarum isolated from sorghum beer. It has been previously determined that plantaricin 423 is encoded by a plasmid designated pPLA4, which is now ...

Enterococcus faecium T8, isolated from vaginal secretions of children with human immunodeficiency virus, produces a class IIa sec-dependent bacteriocin that is structurally different from three other class IIa sec-dependent ...

The dihydroxyacetone pathway, an alternative pathway for the dissimilation of glycerol via reduction by glycerol dehydrogenase and subsequent phosphorylation by dihydroxyacetone (DHA) kinase, is activated in the yeasts ...

Aims: The main objective of this study was to identify amino acid residues in the AGT1-encoded α-glucoside transporter (Agt1p) that are critical for efficient transport of maltotriose in the yeast Saccharomyces cerevisiae. ...

South Africa has the highest number of HIV-1-infected individuals in the world, with HIV-1 subtype C prevailing. However, HIV-1 subtype C accessory genes are rarely characterized in the country. These genes are important ...

The pH-neutral cell supernatant of Enterococcus faecalis BFE 1071, isolated from the feces of minipigs in Gottingen, inhibited the growth of Enterococcus spp. and a few other gram-positive bacteria. Ammonium sulfate ...

The Saccharomyces cerevisiae TIM10 gene encodes one of the few essential mitochondrial proteins that are required for the import of nuclear-encoded precursor proteins from the cytosol and their subsequent sorting into the ...

The region downstream of the Thiobacillus ferrooxidans ATCC 33020 atp operon was examined, and the genes encoding N-acetylglucosamine-1- uridyltransferase (glmU) and glucosamine synthetase (glmS) were found. This ...

Ceratocystis eucalypti is strictly heterothallic, with single ascospore strains representing one of two opposite mating types. Most other Ceratocystis species, including C. virescens, C. pinicola, and C. fimbriata, are ...

Botryosphaeriaceae are common dieback and canker pathogens of woody host plants, including stone fruit trees. In the present study the diversity of members of the Botryosphaeriaceae isolated from symptomatic wood of Prunus ...

The Candida utilis malic enzyme gene, CME1, was isolated from a cDNA library and characterised on a molecular and biochemical level. Sequence analysis revealed an open reading frame of 1,926 bp, encoding a 641 amino acid ...

The biosynthesis of L-carnitine in eukaryotic organisms was first elucidated in the ascomycete Neurospora crassa. The first step of the pathway is catalysed by ε-N-trimethyllysine hydroxylase (TMLH), which converts ...

Simian immunodeficiency viruses (SIVs) have been shown to infect many Old World African primate species. Thus far, no work has been published on southern African primates. In this study we investigated the genetic diversity ...